Dobson v. Lees - 137 U.S. 258 (1890)
U.S. Supreme Court
Dobson v. Lees, 137 U.S. 258 (1890)
Dobson v. Lees
Argued October 31, 1890
Decided December 1, 1890
137 U.S. 258
APPEAL FROM THE CIRCUIT COURT OF THE UNITED
STATES FOR THE EASTERN DISTRICT OF PENNSYLVANIA
A reissue of letters patent is an amendment, and cannot be allowed to enlarge the claims of the original by including matter once intentionally omitted.
Such intentional omission may be shown by conduct, and the inventor cannot be permitted to treat deliberate and long continued acts of his attorney as other than his own.